2 FreeRTOS V7.4.2 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not it can be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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75 /*-----------------------------------------------------------
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76 * Simple parallel port IO routines.
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77 *-----------------------------------------------------------*/
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79 /* FreeRTOS includes. */
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80 #include "FreeRTOS.h"
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83 /* Demo includes. */
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84 #include "partest.h"
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86 #define partstTOTAL_NUM_LEDs 16
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87 #define partstNUM_LEDs_PER_DISPLAY 8
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89 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned portCHAR * ) 3, ( unsigned portCHAR * ) 5 };
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91 void vParTestInitialise( void )
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93 /* In this case all the initialisation is performed in prvSetupHardware()
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96 /*-----------------------------------------------------------*/
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98 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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100 unsigned portBASE_TYPE uxLEDMask = 0x01;
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102 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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104 uxLEDMask <<= uxLED;
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106 taskENTER_CRITICAL();
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110 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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114 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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117 taskEXIT_CRITICAL();
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119 else if( uxLED < partstTOTAL_NUM_LEDs )
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121 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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123 uxLEDMask <<= uxLED;
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125 taskENTER_CRITICAL();
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129 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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133 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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136 taskEXIT_CRITICAL();
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139 /*-----------------------------------------------------------*/
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141 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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143 unsigned portBASE_TYPE uxLEDMask = 0x01;
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145 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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147 uxLEDMask <<= uxLED;
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149 taskENTER_CRITICAL();
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151 if( *pucDisplayOutput[ 0 ] & uxLEDMask )
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153 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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157 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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160 taskEXIT_CRITICAL();
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162 else if( uxLED < partstTOTAL_NUM_LEDs )
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164 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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166 uxLEDMask <<= uxLED;
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168 taskENTER_CRITICAL();
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170 if( *pucDisplayOutput[ 1 ] & uxLEDMask )
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172 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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176 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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179 taskEXIT_CRITICAL();
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